The Death Mage Volume 4: The Manga Companion - Takehiro Kojima

Vandal continues his journey of revenge--with magic training in the ghoul grotto?! Vandal saved the life of ghoul chief Zadilis from a party of attacking adventurers in a forest demon barren. Vampires and Ghouls share the same roots in the Goddess Vida, and Vandal is invited to visit their grotto--where he begins his magical training?!